Hog-scraper.



PATENTED JAN. 21, 1908.

No. 877,432. I

M. G. JORGENSEN.

HOG SGRAPER. APPLIOATION'I'ILED APR. 28, 1906.

6 SHEET8SHBET 2.

. I z f 11 I J 29 21 j12 #5 I 2o PATENTED JAN. 21 1908. NO 877432 M. 0. JORGENSBN.

HOG SGRAPER.

APPLICATION FILED APR. 28, 1906.

6 SHEETS-SHEET 3.

No. 877,432. PATENTED JAN. 21, 1908.

M. a. JORGENSEN.

' HOG SGRAPER.

APPLICATION FILED APR. 28, 1906.

6 SHEETS-SHEET 4.

No. 877,432. PATENTED JAN. 21, 1908.

M. c. JORGENSEN.

HOG SGRAPER.

APPLIOATION FILED APR. 28, 1906.

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%m 2%- M g MARIUS JORGENSEN, OF CHICAGO, ILLINOIS.

HOG-SCRAPER.

Specification of Letters Patent.

Patented Jan. 21, 1908 Applioation filetl Apri128.1906- Serial No. 314.158. N

To all whom it may concern:

Be it known that I, MARIUS C. JQRGENSEN, a citizen of the United States, residing at Chicago, in the county of Cook and State-of Illinois, have invented certain new and useful Improvements in Hog-Scrapers, of which the following is a'specification.

It is the aim of my invention to produce a machine which shall be capable of effectually scraping the bristles from a hogs body without cutting or m arring the skin or hide, thereby causing it to present an unsightly ap earance.

. t talies considerable strength to manually remove the bristles by scraping; in fact,

'with sonic hogs it is almost i nipossible, but

with my iniproved power-driven scraping mechanism the bristles come off readily, leaving the body substantially unscratched or marred. The ease or difliculty with which the bristles can be taken off depends upon the l=ind of hog and the treatn'ent it hashad', especially concerning its food, but with my novel scraper, the bristles are removed withoutdifliculty from all kinds of ho s.

Tuse a number of sets of scrapers properly dis osed each to clear a section of the anima s body from bristles, the hog being carried by the scrapers by any convenient conveying means, such, for example, as a chain.

Each set of scra ers desirably consists of a plurality of para lel sprocket chains inclined at the pro er angle to scrape the particular portion o the body intended. To each chain is attached a number of somewhat elastic scraping members or blades and when the bristle removers in one position,

chains and blades are caused to travel rapidly, .the hog is carried along so that the blades scrape the body downwardly and take off all the bristles. To remove the bristles from the whole body I'use a set of scrapers for the hams, one for the back, another for the belly, and still -two others for the sides. The hog is conveyed by the first three sets of and then, before arriving at the scrapers for the sides,

the body is turnedaautomatically to a position at right angles to that which it previously had.

The mechanism accommodates itself to animals of varying sizes because there 1s 'more or less elasticity in the chains to which the scraping blades are attached and because the blades themselves have some resiliency.

indicated by the arrows, and illustrates the nrechanism for removing the bristles from the hams of the hog; Flg. 3 1s a SllLllaI crosssection on the line 3-3 of Fig. 1, as vlewed in the direction indicated by the arrows, and

shows the scraper for removing the bristles from the back of the hog; Fig. 4 is a similar vertical section on theline 4-4' of Fig. 1, and illustrates the scraper which cooperates with the belly of the hog; Fig. 5 is a smilar crosssection on the line 55 of Fig. 1, and shows the scrapers for the sides of the hog; Fig. 6 is an enlarged detail view of a portion of the niechanisin for conveying the hog through the scrapers, illustrating also the means for n. aintaining the hogs body in the proper osition while being acted'upon by the rapidl y traveling scrapers; Fig. 7 is a detail view of a portion of one of the scraper chains and its attached blades; and Fig. 8 is a face view of one of the blades.

Referring first to Fig. 6, a comparatively from backward turning. Extended'parallel to one side portion of this chain is a track plate or bar 14 by'which the hogs are supported and on which they travel. In order to sustain the hogs in substantially vertical position with their heads downward, their legs are slit at the points 15 and the tendons 16 drawn'outwardly. A wooden stick or rod 17 is interposed between these tendons and the main portions of the legs, thereby obtaining a secure connection with the hogs body and keeping its legs properly spaced apart, since the rods 17 are grooved at 18 to accommodate the tendons and prevent their sliding along the rod. Each rod is upheld by a double hook member 19 (Fig. 5) swiveled at 20 to a bracket 21 having a roller 22 at its upper end adapted to travel on the topsurface of the rail or bar .14. The two sides of bracket 21 overlap to a slight extentthe sides of bar lVithin. the lower portion of the supports or brackets 23, chain 11 is ada ted to travel and is prevented from sagging y bent plates 25 upon the flanges of which the charm rests. As wheel 1 0 turns, the arms or lugs 1 2 are brought around so as to engage the rear sides of the depending brackets 21 to compel the hogs to travel along the rail 14, as will be obvious. The hogs are broughtfrom a scalding bath to the position of the one labeled 26, in Fig. 6,

by gravity, since the rail 14 is somewhat in-.

clined at this point (not shown). An attendant stationed near the wheel 10 sees that the lugs 12 'roperly engage the supports for the hogs and also turns the hogs bodies so that a guiding bar 27 will strike the front of their hind legs, thereby compelling all the hogs to travel along the .rail 14 with their backs turned in the same direction. To facilitate the placin of the hogs bodies in the proper position, the end of bar 27 is curved at 28, as shown in Fig. 6. Bar 27 is also supported from beam 24 by means of the downwardly extended rods 29.

In order to confine the bristles which are removed from the hogs to a limited space, the various scrapers are inclosed in any suitable form of casing 30. As the hog travels along the rail 14, it is first brought to thescrapers for removing the bristles from the hams.

These scrapers, which I characterize 31, in Figs. 1 and 2, each comprise a'sprocket chain 32, to which areattached a number of curved spring blades 33 of the shape shown in Figs. 7 and 8. These scraping blades 33 are somewhat elastic and just back of each I provide a shorter spring member.34 to stiffen the scraper blade. .The blades and springs 33 and 34 are attached to links of the sprocket chains in any suitable manner, such as by means of screws or rivets 35. Each sprocket chain 32 passes over a pair of cooperating sprocket wheels 36 and 37, all of the former being mounted on a shaft 38 and all of the latter being mounted on a parallelshaft 3.9 above shaft 37. These two shafts are not in the same vertical plane but are offset, as shown in Fig. 2, so as to incline the sprocket chains to the proper angle to efiectuall .scrape the hams of the hog. Shafts 38 an 39 are rapidly revolved by means of the connecting s rocket chain 40, which joins shaft 38 with a d iving shaft 41, suitable sprocket wheels being provided for that purpose. In Fig. 2, I have illustrated the various shafts as being 'mounted upon an upright post 42 suitably braced by the member 43, but no particular means of support are required for these scrapers.

In order to aid the removal of the bristles from the body after they have been scraped therefrom, I employ a water pipe 43, through the )crforations of which water sprays on to the body to wash the bristles into the bottomof the inclosure 30. This pipe 43 extends over, not only the ham scrapers, but the others mentioned hereinafter.

As the hog, after having its hams cleared of bristles, is conveyed to the back scrapers 44 (Figs. 1 'and3), its belly comes in contact with a suitably supported bowedbar 45 to prevent the hog from swinging away from Y the scraping blades. Eac of the back scrapers, as illustrated in Fig. 3, consists of a blades 33 like those used in the ham scrapers, the various chains co-actin with sprocket able form of connection, such, for example, as the sprocket chain 49 and its sprocket wheels. These back scrapers are alined substantially vertically since the back of .the

hog when sustained in the manner indicated I is nearly vertical. After leaving the back scra ers, the hog is carried along rail 14 to sim' ar scrapers 50 for removing the bristles from its belly (Figs. 1 and 4). I also provide a bowed rod. 51, similar to the part 45, which same vertical plane so as to incline the chains to the proper angle'to effectively remove the' bristles from the belly. Before passing to the scrapers for the sides of the hog, the forward leg passes off of the curved end 54 of bar 27 (Fig. 1), and owing to the fact that the scrapers then act on only a part of the body tending to push it away the hog is .80 sprocket chain 46 equipped with scraping wheels mounted on the two sliafts 47 and 48,'

driven from the driving shaft 41 by any suitturned through an angle of ninety degrees,

as shown in Fig. 5, in order that its sides may be scraped as it passes between the two sets of scrapers 55. Furthermore when the forward leg reaches the curved end 54 of the track, the resistance of this leg on the track ceases, While that of the rear or trailing leg continues. The result of this action of the conveyer on the ho its pull being exerted at one side of the traci, and on the trailing leg, is to assist in turning the body around to the extent of 90 degrees. Inasmuch as these bristle removers are substantially the same as the others, although their an le-of inclination is a little different, no furt er description thereof ap ears to be necessary, except to state that t ey are driven, the one from shaft 41 and the other fromany suitable shaft or source of power, by the sprocket chains 56 and 57. When the hog has passed through or by all of these scrapers, substantially all of the bristles have een removed from its body, except a few about its feet, which may be readily taken oil by means of a torch.

It should be noted that all of the sprocket chainsequipped with scrapers are'driven by the s rocket wheels on thelower shafts, there y kee ing the side of the chain next to the hog su stantiall tight. It should be further noted that al of these scrapers operate downwardly, thereby throwing nearly all of the bristles to the floor of the inclosure. Owing to the elasticity of the scrapers and to more or less slackness of the scraper chains, hogs of various sizes may pass through these sets of scrapers and all be properly scraped without any adjustments of the devices being necessary.

It is obvious that various changes may be made in the structure described without departing from the substance ol' my invention as defined by the claims. .l t is apparent, for exam 1e, that more than one set of scrapers may be made to operate on the hog at the same time, such as the back and belly scrapers, or hams and belly scrapers, etc. -It is also evident that belts and pulleys may be substituted for the sprocket chains and sprocket wheels, if desired, and in this case the scraping blades would be attached to the belts.

Iclaim:

1. A hogscraper comprising a plurality of scrapin devices adapted to remove bristles from di 'erent portions of the hogs body, the field of operation of each of said devices being fixed at substantially the same angle to the horizontal as the general angle to the horizontal of that part of the carcass surface operated upon, substantially as described.

2. A hog scraper comprising a plurality of scraping devices adapted to remove the bristles from dilferent portions of the hogs body, the field of operation of each of said devices being fixed at substantially thesame angle to the horizontal as the general angle to the horizontal of that part of the carcass surface operated upon, and means for conveying the carcass through the fields of operation of said scraping devices, substantially as described.

3. A hog scraper comprising a plurality of Y scraping devices adapted to remove bristles from different portions of the hogs body, the field of operation of each of said devices being fixed at substantially the same angle to the horizontal as the general angle to the horizontal of that part of the carcass surface operated upon, and means for conveying the carcass successively through the fields of operation of said scraping devices, substan tially as described.

4. A hog scraper comprising a plurality of scraping devices adapted to remove bristles p ane of said chain.

from different. portions of the hogs body by scraping it longitudinally, the held of operation of each of said devices being fixed at substantially the same angle to the horizontal as the general angle to the horizontal of that part-of the carcass surface operated upon, and means for conveying the carcass or body. through the lields of operation of said scraping devices, substantially asv described.

5. A hog scraper comprising a plurality of scraping devices adapted to remove bristles from different portions of the hogs body by scraping it downwardly, the fieldof operation of each of said devices being fixed at substantially the same angle to the horizontal as the general angle to the horizontal of that part of the carcass surface operated upon, and means for conveying the body or carcass through the fields of operation of said scraping devices, the body or carcass depending from said conveying means, substantially as described.

6. A hog scraper comprising a plurality of scraping devices adapted to remove bristles from different portions of the hogs body, the field of operation of each of said devices being fixed at substantially the same angle to the' horizontal as the general angle to the horizontal of that part of the carcass surface operated upon, each of said devices including one or more traveling sprocket chains, one or more scraping blades fastened to each of said chains, and means to cause said chains to travel, and means for conveying the body or carcass through the said scraping devices, substantially as described.

7. A hog scraper comprising a plurality of scraping devices adapted to remove bristles from different portions of the hogs body,- the field of operation of each of said devices being fixed at substantially the same angle to the horizontal as the general angle to the horizontal of that part of the carcass surface operated upon, each of said devices including a pair or rotatable shafts, one or more sprocket wheels on each of said shafts and rotatable therewith, one or more sprocket chains, each cooperatin with a sprocket wheel on each of said shafts, one or more scraping members mounted on each of said chains, and means to revolve one of said shafts, and means to convey the hogs body or carcass through the fields of operation of said scraping devices, substantially as described.

8. In a hog scraper, the combination of a pair of rotatable sprocket wheels, means to rotate one of'said wheels, a sprocket chain co-acting with said wheels, one or more scrapers on said chain, and means for con- I fields of operation of veying a hog s body through the field of x o eration of said scrapers transversely to the 9,- In a hog scraper, the combination of a pair of rotatable sprocket wheels, means to rotate one of said wheels, a sprocket chain co-acting. with said wheels, one or more 5 scrapers on'saidchain', means for conveying.

a hogs body through the" field of o eration of from moving away from said scrapers whenbeing 0 erated uponthereby.

11. n a hog scraper, the combination of an upper-shaft, a lower parallel driving shaft, a plurality of sprocket wheels on each shaft, sprocket chains passing over said wheels, each chain having a number of scraper blades attached thereto, and means to convey the hogs body past said chains transversely thereto, whereby said blades may remove its bristles.

upper shaft, a lower parallel driving shaft, a p urality of sprocket wheels on each shaft, sprocket chains passing around said wheels, each chain having a number of scraper blades attached thereto, means to convey the ho'gs from turning while being operated upon by 12. In a hog scraper, the combination of an body ast said chains transversely thereto, where y said blades may remove itsbristles, and means to prevent the hogs body from turning as it travels along.

13, In a' machine for removing bristles 40 from hogs, the combination of scrapers for the back, scrapers for the belly, and scrapers: for the sides of the ho means for moving the hog successively t ough the fields of 7 operation of each set of scrapers, and means intermediate the scrapers for the sides and those for'the backand the belly for turning the hog at right angles, substantially as described.

14. In a machine for removing bristles from hogs, the combination of scrapers for the hams, scrapers for the back, scrapers for the belly, and scrapers for the sides of the 'hog, each of said scra '8I'S including one or more, pairs of revolubie sprocket Wheels, a sprocket chain passing around each pair of said wheels, and one or more scraping blades secured to each of said chains, means to prevent the hog from turning when being operated upon .by the scrapers for the back and 0 belly, means to convey the hog successively through the fields of operation of each set of scrapers, and means intermediate the scrapjers for the sides and those for the back and elly for turning the hog at right angles, 6 5

substantially as described.

MARIUS C. JORGENSEN.

Witnesses:

WALTER M. FULLER,

L. F. MoGREA. 

